CVE-2025-59981: Juniper Networks Junos Space · XSS or 'Cross-site Scripting'
Affects Juniper Networks Junos SpaceSource CVE Database V5
Not known to be exploited · CVSS 6.1 Medium.
Data as of 26 Oct 2026, 06:26 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 19% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 9 Oct 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Juniper Networks Junos Space | Affected
| Fixed in– |
AI-suggested
European organizations should immediately upgrade Junos Space to version 24.1R4 or later once available to remediate the vulnerability. Until patches are applied, organizations should implement strict input validation and output encoding on the Device Template Definition page to prevent script injection. Network segmentation and access controls should limit Junos Space administrative interface access to trusted personnel and networks only. Employ web application firewalls (WAFs) with rules to detect and block XSS payloads targeting Junos Space. User training to recognize phishing and suspicious links can reduce the risk of user interaction exploitation. Regularly audit and monitor Junos Space logs for unusual activities or unauthorized changes. Consider multi-factor authentication for Junos Space access to reduce the risk of compromised credentials being exploited. Finally, maintain an incident response plan to quickly address any suspected compromise related to this vulnerability.
Description
An Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Juniper Networks Junos Space allows an attacker to inject script tags in the Device Template Definition page that, when visited by another user, enables the attacker to execute commands with the target's permissions, including an administrator.This issue affects all versions of Junos Space before 24.1R4.